Finding the Fourth Proportional to 11,473,071.99, 15,832,238.36 and 6,315,426.15
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Solution
The fourth proportional to 11,473,071.99, 15,832,238.36 and 6,315,426.15 is: 8,714,957.27
Step by Step Solution
- Step 1: Write the proportion equation
11,473,071.99 : 15,832,238.36 = 6,315,426.15 : x - Step 2: Convert to fraction form
11,473,071.99/15,832,238.36 = 6,315,426.15/x - Step 3: Cross multiply
11,473,071.99x = 15,832,238.36 × 6,315,426.15 - Step 4: Simplify right side
11,473,071.99x = 99,987,332,120,199.98 - Step 5: Solve for x
x = 99,987,332,120,199.98/11,473,071.99 - Step 6: Final answer
x = 8,714,957.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.